Yahoo Tipped Off to Hack by Report of Data Dump on Dark Web

  • Attacker was a ‘state-sponsored actor,’ company says
  • Verizon says it was alerted to incident within last two days

In July, Yahoo! Inc. received a report of a hacker claiming to have 280 million user account credentials for sale on the black market. An initial investigation found no evidence to back that up, according to a person familiar with the probe.

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